Get setup to reproduce use of bare CMake

.default.nix

@@ -0,0 +1,19 @@
+with import <nixpkgs> {}; {
+  autocmakeEnv = stdenv.mkDerivation {
+    name = "Autocmake";
+    buildInputs = [
+      atlas
+      ccache
+      clang
+      cmake
+      doxygen
+      gfortran
+      liblapack
+      openmpi
+      python35Packages.pep8
+      python35Packages.pytest
+      python35Packages.pyyaml
+      zlib
+    ];
+  };
+}

.envrc

@@ -0,0 +1,7 @@
+use nix .default.nix
+export SOURCE_DATE_EPOCH=$(date +%s)
+dir_hash=autocmake-$(echo -n autocmake | shasum | cut -d ' ' -f 1)
+direnv_layout_dir=$XDG_CACHE_HOME/direnv/layouts/$dir_hash
+layout python `type -P python` --system-site-packages
+pip install -r requirements.txt
+export NINJA_STATUS="[Built edge %f of %t in %e sec]"

.gitignore

@@ -10,6 +10,7 @@ test/*/cmake/update.py
 test/*/cmake/autocmake/
 test/*/cmake/downloaded/
 test/*/setup
+test/*/cmake_output
 
 # generated by doc/extract_rst.py
 doc/module-reference.rst

autocmake/configure.py

@@ -48,34 +48,6 @@ def setup_build_path(build_path):
         os.makedirs(build_path, 0o755)
 
 
-def test_adapt_cmake_command_to_platform():
-
-    cmake_command = "FC=foo CC=bar CXX=RABOOF cmake -DTHIS -DTHAT='this and that cmake' .."
-    res = adapt_cmake_command_to_platform(cmake_command, 'linux')
-    assert res == cmake_command
-    res = adapt_cmake_command_to_platform(cmake_command, 'win32')
-    assert res == "set FC=foo && set CC=bar && set CXX=RABOOF && cmake -DTHIS -DTHAT='this and that cmake' .."
-
-    cmake_command = "cmake -DTHIS -DTHAT='this and that cmake' .."
-    res = adapt_cmake_command_to_platform(cmake_command, 'linux')
-    assert res == cmake_command
-    res = adapt_cmake_command_to_platform(cmake_command, 'win32')
-    assert res == cmake_command
-
-
-def adapt_cmake_command_to_platform(cmake_command, platform):
-    """
-    Adapt CMake command to MS Windows platform.
-    """
-    if platform == 'win32':
-        pos = cmake_command.find('cmake')
-        s = ['set {0} &&'.format(e) for e in cmake_command[:pos].split()]
-        s.append(cmake_command[pos:])
-        return ' '.join(s)
-    else:
-        return cmake_command
-
-
 def run_cmake(command, build_path, default_build_path):
     """
     Execute CMake command.
@@ -84,7 +56,6 @@ def run_cmake(command, build_path, default_build_path):
     from shutil import rmtree
 
     topdir = os.getcwd()
-    os.chdir(build_path)
     p = Popen(command,
               shell=True,
               stdin=PIPE,
@@ -164,8 +135,7 @@ def configure(root_directory, build_path, cmake_command, only_show):
     if not only_show:
         setup_build_path(build_path)
 
-    cmake_command = adapt_cmake_command_to_platform(cmake_command, sys.platform)
-
+    cmake_command += ' -B' + build_path
     print('{0}\n'.format(cmake_command))
     if only_show:
         sys.exit(0)

autocmake/generate.py

@@ -20,7 +20,7 @@ def gen_cmake_command(config):
         s.append('    command.append({0})'.format(definition))
 
     s.append("    command.append('-DCMAKE_BUILD_TYPE={0}'.format(arguments['--type']))")
-    s.append("    command.append('-G \"{0}\"'.format(arguments['--generator']))")
+    s.append("    command.append('-G\"{0}\"'.format(arguments['--generator']))")
     s.append("    if arguments['--cmake-options'] != \"''\":")
     s.append("        command.append(arguments['--cmake-options'])")
     s.append("    if arguments['--prefix']:")
@@ -110,7 +110,7 @@ def gen_setup(config, default_build_type, relative_path, setup_script_name):
     s.append("build_path = arguments['<builddir>']")
     s.append("\n")
     s.append("# create cmake command")
-    s.append("cmake_command = '{0} {1}'.format(gen_cmake_command(options, arguments), root_directory)")
+    s.append("cmake_command = '{0} -H{1}'.format(gen_cmake_command(options, arguments), root_directory)")
     s.append("\n")
     s.append("# run cmake")
     s.append("configure.configure(root_directory, build_path, cmake_command, arguments['--show'])")

modules/cc.cmake

@@ -25,8 +25,7 @@
 #   docopt:
 #     - "--cc=<CC> C compiler [default: gcc]."
 #     - "--extra-cc-flags=<EXTRA_CFLAGS> Extra C compiler flags [default: '']."
-#   export: "'CC={0}'.format(arguments['--cc'])"
-#   define: "'-DEXTRA_CFLAGS=\"{0}\"'.format(arguments['--extra-cc-flags'])"
+#   define: "'-DCMAKE_C_COMPILER={0} -DEXTRA_CFLAGS=\"{1}\"'.format(arguments['--cc'], arguments['--extra-cc-flags'])"
 
 if(NOT DEFINED CMAKE_C_COMPILER_ID)
     message(FATAL_ERROR "CMAKE_C_COMPILER_ID variable is not defined!")

modules/cxx.cmake

@@ -25,8 +25,7 @@
 #   docopt:
 #     - "--cxx=<CXX> C++ compiler [default: g++]."
 #     - "--extra-cxx-flags=<EXTRA_CXXFLAGS> Extra C++ compiler flags [default: '']."
-#   export: "'CXX={0}'.format(arguments['--cxx'])"
-#   define: "'-DEXTRA_CXXFLAGS=\"{0}\"'.format(arguments['--extra-cxx-flags'])"
+#   define: "'-DCMAKE_CXX_COMPILER={0} -DEXTRA_CXXFLAGS=\"{1}\"'.format(arguments['--cxx'], arguments['--extra-cxx-flags'])"
 
 if(NOT DEFINED CMAKE_CXX_COMPILER_ID)
     message(FATAL_ERROR "CMAKE_CXX_COMPILER_ID variable is not defined!")

modules/fc.cmake

@@ -29,8 +29,7 @@
 #   docopt:
 #     - "--fc=<FC> Fortran compiler [default: gfortran]."
 #     - "--extra-fc-flags=<EXTRA_FCFLAGS> Extra Fortran compiler flags [default: '']."
-#   export: "'FC={0}'.format(arguments['--fc'])"
-#   define: "'-DEXTRA_FCFLAGS=\"{0}\"'.format(arguments['--extra-fc-flags'])"
+#   define: "'-DCMAKE_Fortran_COMPILER={0} -DEXTRA_FCFLAGS=\"{1}\"'.format(arguments['--fc'], arguments['--extra-fc-flags'])"
 
 set(CMAKE_Fortran_MODULE_DIRECTORY ${PROJECT_BINARY_DIR}/modules)
 include_directories(${PROJECT_BINARY_DIR}/modules)

modules/fc_optional.cmake

@@ -35,9 +35,8 @@
 #     - "--fc=<FC> Fortran compiler [default: gfortran]."
 #     - "--extra-fc-flags=<EXTRA_FCFLAGS> Extra Fortran compiler flags [default: '']."
 #     - "--fc-support=<FC_SUPPORT> Toggle Fortran language support (ON/OFF) [default: ON]."
-#   export: "'FC={0}'.format(arguments['--fc'])"
 #   define:
-#     - "'-DEXTRA_FCFLAGS=\"{0}\"'.format(arguments['--extra-fc-flags'])"
+#     - "'-DCMAKE_Fortran_COMPILER={0} -DEXTRA_FCFLAGS=\"{1}\"'.format(arguments['--fc'], arguments['--extra-fc-flags'])"
 #     - "'-DENABLE_FC_SUPPORT={0}'.format(arguments['--fc-support'])"
 
 option(ENABLE_FC_SUPPORT "Enable Fortran language support" ON)